Home / 609,038,948.40-840,451,998.61-344,715,265.83

Finding the Fourth Proportional to 609,038,948.40, 840,451,998.61 and 344,715,265.83

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Solution

The fourth proportional to 609,038,948.40, 840,451,998.61 and 344,715,265.83 is: 475,694,756.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,038,948.40 : 840,451,998.61 = 344,715,265.83 : x
  2. Step 2: Convert to fraction form
    609,038,948.40/840,451,998.61 = 344,715,265.83/x
  3. Step 3: Cross multiply
    609,038,948.40x = 840,451,998.61 × 344,715,265.83
  4. Step 4: Simplify right side
    609,038,948.40x = 289,716,634,121,783,552
  5. Step 5: Solve for x
    x = 289,716,634,121,783,552/609,038,948.40
  6. Step 6: Final answer
    x = 475,694,756.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.